Wischmeier, M., Kallenbach, A., Chankin, A. V., Coster, D. P., Dux, R., Harhausen, J., et al. (2007). The influence of high field side recycling and impurity sources on divertor detachment in simulations of ohmic discharges of the ASDEX Upgrade and DIII-D tokamaks. Talk presented at 49th Annual Meeting of the Division of Plasma Physics. Orlando, FL. 2007-11-12 - 2007-11-16.